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Ashly TRA4150 Rackmount 4-Channel Power Amplifier With 70V100V Transformer – 80 Watts Per Channel At 8 Ohms Supply

Original price was: $2,079.00.Current price is: $623.70.
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15 - 22 Mar, 2025
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Description

Ashly TRA-4150 overview

 

The Ashly TRA-4150 is a 4-channel convection-cooled rackmount P.A. or installation power amplifier housed in a rugged 2RU metal chassis, offering an output of 80 Watts per channel at 8 Ohms, designed to drive 4 and 8 Ohm loads and transformer-coupled 70V and 100V lines simultaneously. The coupling transformers are internally mounted.

 

The TRA-4150 incorporates a switch-mode-power supply and Class-D amplifier circuitry, providing a power-efficient solution. The low-noise unit features a switchable HPF filter and selectable gain sensitivity, turn-on delay DIP switches with up to 8 seconds of delay available, and rear-mounted set-and-forget gain controls.

The TRA-4150 is equipped with an internally switchable 120V 240V power supply, extensive protection circuitry, and standard Euroblock inputs along with screw terminal outputs.

2RU rackmount 4-channel power amplifier with 80 Watts per channel power output at 8 Ohms and built-in 60W 70V transformer

Designed to simultaneously drive 4- or 8-Ohm loads and 70V 100V transformer-coupled lines

2-stage high-efficiency switched mode power supply with high power-to-weight ratio

Ultra-quiet convection-cooled operation

On-board 80Hz HPF, selectable gain sensitivity

Up to 8 sec. of turn-on delay with selectable Dip Switch complement

Comprehensive amplifier protection circuitry includes: Output Over-current, DC Output, Main Supply Rail Over-voltage, Chassis Temperature, Inrush Limiting, Mains Fuse

Front Panel Indicators include: overall power, standby, and protect; per-channel clip and signal indicators

Euroblock input connectors, Screw Terminal outputs

Ashly TRA-4150 specs

Power Rating

Stereo @ 8 Ohms: 4 x 80W per Ch.
Stereo @ 4 Ohms: 4 x 150W per Ch.
Stereo @ 70V: 4 x 150W per Ch.
Stereo @ 100V: 4 x 150W per Ch.

Damping Factor

>200, 8-Ohm load, <1kHz

Input Sensitivity

1.5V

Input Impedance

20 kOhms, Balanced

Gain

Selectable 26dB or 36dB

Frequency Response

20 Hz – 20 kHz, + -1.0dB

Signal-to-Noise Ratio

>105dB, 20Hz – 20kHz unweighted

Total Harmonic Distortion (THD)

<0.01% (8-Ohm load, 10dB below rated power, 20Hz – 10kHz

Input Connections

4 x Ch.1,2,3,4 3- Pin Euroblock

Output Connectors

4 x Ch.1,2,3,4 Screw Terminals

Controls Front Panel

1 x Power Switch

Controls (Rear)

4 x Gain Control Knobs
4 x Delay DIP Switches
4 x 80Hz HPF On Off Buttons
4 x Gain Sensitivity Buttons

Indicators

1 x Blue Power On LED
1 x Yellow Standby LED
1 x Red Protect LED
4 x Red Clip LED s
12 x Green -24 -18 -12dB Signal LED s 
8 x Yellow -6 -3dB Signal LED s

Cooling

Convection-cooled

Power Consumption

75W (1 8 Power Pink Noise @ 4 Ohm)
Typical Current:
Idle: 0.62A
1 8 Power: 1.98A

Dimensions

19 x 3.5 x 11 (483 x 89 x 279.4mm)

Weight

29.5 lb (13.4 kg)

Specialties

Adjustable Turn-On delay Switches
Convection Cooling
Switch-Mode Power Supply

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